Home / 5,429,022.15-8,143,526.36-1,385,510.04

Finding the Fourth Proportional to 5,429,022.15, 8,143,526.36 and 1,385,510.04

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Solution

The fourth proportional to 5,429,022.15, 8,143,526.36 and 1,385,510.04 is: 2,078,263.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,429,022.15 : 8,143,526.36 = 1,385,510.04 : x
  2. Step 2: Convert to fraction form
    5,429,022.15/8,143,526.36 = 1,385,510.04/x
  3. Step 3: Cross multiply
    5,429,022.15x = 8,143,526.36 × 1,385,510.04
  4. Step 4: Simplify right side
    5,429,022.15x = 11,282,937,525,857.11
  5. Step 5: Solve for x
    x = 11,282,937,525,857.11/5,429,022.15
  6. Step 6: Final answer
    x = 2,078,263.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.